Easily optimize battery performance with this charge MCP73831-3ACI/MC charge controller from Microchip Technology. Its output produces a current of 15 to 500 mA. With an output that has a voltage of 4.35 V, this is power management at its best. This device runs on Li-Ion|Li-Pol. This battery gauge has a minimum operating temperature of -40 °C and a maximum of 85 °C. This device has a minimum operating supply voltage of 3.75 V and a maximum of 6 V.